On 31 January 2022, Transgrid submitted its 2023–28 initial revenue proposal to the AER. We published an issues paper in March 2022, and held a public forum in April 2022, to assist stakeholders in their consideration of Transgrid's proposal. Submissions and presentations from the online forum are available on our website.
On 30 September 2022, we published our draft decision on Transgrid's 2023-28 initial proposal. We held a public forum on our draft decision on 12 October 2022.
On 2 December 2022, Transgrid submitted its 2023-28 revised proposal.
Interested stakeholders were invited to make submissions on both our draft decision and Transgrid's revised proposal by 20 January 2023. We received five submissions.
On 28 April 2023, we published our final decision on the revenue that Transgrid can recover from its consumers in the 2023–28 regulatory control period.
Update – Application to reopen electricity transmission revenue determination for capex – Project EnergyConnect
On 13 February 2026, Transgrid applied to the AER to revoke and substitute its electricity transmission revenue determination for the 2023–28 regulatory control period, to adjust total forecast capital expenditure (capex) approved for Project EnergyConnect (PEC) in our April 2023 final decision.
We invite energy consumers and other interested parties to make submissions on Transgrid’s reopener application by Tuesday, 28 April 2026. Submissions should be sent to ResetCoord
aer [dot] gov [dot] au (ResetCoord[at]aer[dot]gov[dot]au).